National Geologic Map Database
General Information
- Title: Preliminary report on the stratigraphy and structure of the area of the Ipnavik River, Alaska
- Author(s): Stefansson, Karl
- Publishing Organization: U.S. Geological Survey
- Series and Number: Geological Investigations Naval Petroleum Reserve No. 4 Preliminary Report No. 16
- Publication Date: 1948
- Map Scale: 1:250,000
- Cross Section: None
- North Latitude: 68° 53' 0" N (68.8833)
- South Latitude: 68° 30' 0" N (68.5000)
- East Longitude: 156° 30' 0" W (-156.5000)
- West Longitude: 157° 30' 0" W (-157.5000)
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- Phone: (303) 202-4700 or 1-888-ASK-USGS
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.